1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// From ppb_graphics_2d.idl modified Fri Apr 26 08:49:08 2013.
6
7#include <string.h>
8
9#include "ppapi/c/pp_completion_callback.h"
10#include "ppapi/c/pp_errors.h"
11#include "ppapi/c/ppb_graphics_2d.h"
12#include "ppapi/shared_impl/tracked_callback.h"
13#include "ppapi/thunk/enter.h"
14#include "ppapi/thunk/ppb_graphics_2d_api.h"
15#include "ppapi/thunk/ppb_instance_api.h"
16#include "ppapi/thunk/resource_creation_api.h"
17#include "ppapi/thunk/thunk.h"
18
19namespace ppapi {
20namespace thunk {
21
22namespace {
23
24PP_Resource Create(PP_Instance instance,
25                   const struct PP_Size* size,
26                   PP_Bool is_always_opaque) {
27  VLOG(4) << "PPB_Graphics2D::Create()";
28  EnterResourceCreation enter(instance);
29  if (enter.failed())
30    return 0;
31  return enter.functions()->CreateGraphics2D(instance, size, is_always_opaque);
32}
33
34PP_Bool IsGraphics2D(PP_Resource resource) {
35  VLOG(4) << "PPB_Graphics2D::IsGraphics2D()";
36  EnterResource<PPB_Graphics2D_API> enter(resource, false);
37  return PP_FromBool(enter.succeeded());
38}
39
40PP_Bool Describe(PP_Resource graphics_2d,
41                 struct PP_Size* size,
42                 PP_Bool* is_always_opaque) {
43  VLOG(4) << "PPB_Graphics2D::Describe()";
44  EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
45  if (enter.failed()) {
46    memset(size, 0, sizeof(*size));
47    memset(is_always_opaque, 0, sizeof(*is_always_opaque));
48    return PP_FALSE;
49  }
50  return enter.object()->Describe(size, is_always_opaque);
51}
52
53void PaintImageData(PP_Resource graphics_2d,
54                    PP_Resource image_data,
55                    const struct PP_Point* top_left,
56                    const struct PP_Rect* src_rect) {
57  VLOG(4) << "PPB_Graphics2D::PaintImageData()";
58  EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
59  if (enter.failed())
60    return;
61  enter.object()->PaintImageData(image_data, top_left, src_rect);
62}
63
64void Scroll(PP_Resource graphics_2d,
65            const struct PP_Rect* clip_rect,
66            const struct PP_Point* amount) {
67  VLOG(4) << "PPB_Graphics2D::Scroll()";
68  EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
69  if (enter.failed())
70    return;
71  enter.object()->Scroll(clip_rect, amount);
72}
73
74void ReplaceContents(PP_Resource graphics_2d, PP_Resource image_data) {
75  VLOG(4) << "PPB_Graphics2D::ReplaceContents()";
76  EnterResource<PPB_Graphics2D_API> enter(graphics_2d, true);
77  if (enter.failed())
78    return;
79  enter.object()->ReplaceContents(image_data);
80}
81
82int32_t Flush(PP_Resource graphics_2d, struct PP_CompletionCallback callback) {
83  VLOG(4) << "PPB_Graphics2D::Flush()";
84  EnterResource<PPB_Graphics2D_API> enter(graphics_2d, callback, true);
85  if (enter.failed())
86    return enter.retval();
87  return enter.SetResult(enter.object()->Flush(enter.callback()));
88}
89
90PP_Bool SetScale(PP_Resource resource, float scale) {
91  VLOG(4) << "PPB_Graphics2D::SetScale()";
92  EnterResource<PPB_Graphics2D_API> enter(resource, true);
93  if (enter.failed())
94    return PP_FALSE;
95  return enter.object()->SetScale(scale);
96}
97
98float GetScale(PP_Resource resource) {
99  VLOG(4) << "PPB_Graphics2D::GetScale()";
100  EnterResource<PPB_Graphics2D_API> enter(resource, true);
101  if (enter.failed())
102    return 0.0f;
103  return enter.object()->GetScale();
104}
105
106const PPB_Graphics2D_1_0 g_ppb_graphics2d_thunk_1_0 = {
107  &Create,
108  &IsGraphics2D,
109  &Describe,
110  &PaintImageData,
111  &Scroll,
112  &ReplaceContents,
113  &Flush
114};
115
116const PPB_Graphics2D_1_1 g_ppb_graphics2d_thunk_1_1 = {
117  &Create,
118  &IsGraphics2D,
119  &Describe,
120  &PaintImageData,
121  &Scroll,
122  &ReplaceContents,
123  &Flush,
124  &SetScale,
125  &GetScale
126};
127
128}  // namespace
129
130const PPB_Graphics2D_1_0* GetPPB_Graphics2D_1_0_Thunk() {
131  return &g_ppb_graphics2d_thunk_1_0;
132}
133
134const PPB_Graphics2D_1_1* GetPPB_Graphics2D_1_1_Thunk() {
135  return &g_ppb_graphics2d_thunk_1_1;
136}
137
138}  // namespace thunk
139}  // namespace ppapi
140